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commit 6bd6ae639683c0b41f46990d5c64ff9fbfa019dc upstream. UI_SET_LEDBIT ioctl() causes the following KASAN splat when used with led > LED_CHARGING: [ 1274.663418] BUG: KASAN: slab-out-of-bounds in input_leds_connect+0x611/0x730 [input_leds] [ 1274.663426] Write of size 8 at addr ffff88003377b2c0 by task ckb-next-daemon/5128 This happens because we were writing to the led structure before making sure that it exists. Reported-by: Tasos Sahanidis <tasos@tasossah.com> Tested-by: Tasos Sahanidis <tasos@tasossah.com> Cc: stable@vger.kernel.org Signed-off-by: Dmitry Torokhov <dmitry.torokhov@gmail.com> Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
Linux kernel ============ This file was moved to Documentation/admin-guide/README.rst Please notice that there are several guides for kernel developers and users. These guides can be rendered in a number of formats, like HTML and PDF. In order to build the documentation, use ``make htmldocs`` or ``make pdfdocs``. There are various text files in the Documentation/ subdirectory, several of them using the Restructured Text markup notation. See Documentation/00-INDEX for a list of what is contained in each file. Please read the Documentation/process/changes.rst file, as it contains the requirements for building and running the kernel, and information about the problems which may result by upgrading your kernel.